Home / 127,929.28-191,847.84-54,063.04

Finding the Fourth Proportional to 127,929.28, 191,847.84 and 54,063.04

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Solution

The fourth proportional to 127,929.28, 191,847.84 and 54,063.04 is: 81,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,929.28 : 191,847.84 = 54,063.04 : x
  2. Step 2: Convert to fraction form
    127,929.28/191,847.84 = 54,063.04/x
  3. Step 3: Cross multiply
    127,929.28x = 191,847.84 × 54,063.04
  4. Step 4: Simplify right side
    127,929.28x = 10,371,877,447.83
  5. Step 5: Solve for x
    x = 10,371,877,447.83/127,929.28
  6. Step 6: Final answer
    x = 81,075.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.